3 years ago

Can someone explain to me how to do this? Thank You

Mathematics

1 answer:

Flauer [41]3 years ago

6 0

Answer:

Step-by-step explanation:

he whole circle measure 360

since the external Angle is 242 and external 69 then

x-31+69+242=360

x+280=360

x=360-280

check : x-31 the measure of the angle is 49

49+69+242=360

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